Q: What are the prime factors of the number 55,661,502?

 A: 2, 3, 13, 17, 3229

Why are those the prime factors of the number 55,661,502?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 55,661,502

55,661,502
Factor Arrows
227,830,751
Factor Arrows
39,276,917
Factor Arrows
13713,609
Factor Arrows
1354,893
Factor Arrows
173,229

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 13, 17, 3229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 13 x 17 x 3,229 = 55,661,502

This can also be written as 21 x 31 x 132 x 171 x 3,2291 = 55,661,502

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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